[COTD] Knight of Serial Blade, Diarmud

Today’s “Card of the Day” features Ritual support from the new Divine Dragon Caper booster set! From G Booster Pack Vol. 9: Divine Dragon Caper (Release Date: December 16, 2016) we got:

G-BT09/055EN C Steam Tamer, Nanni Grade 3 | Normal Unit Shadow Paladin | Human | United Sanctuary Power: 10000 Critical: 1 [AUTO](VC/RC)[Generation Break 1] Ritual 3 (Active if there are three or more grade 1 cards in your drop zone):[Choose one of your other rear-guards, and retire it] When this unit attacks a vanguard, you may pay the cost. If you do, this unit gets [Power] +3000 until end of that battle, and at the end of that battle, your opponent chooses one of his or her rear-guards, and retires it.